//
//  NSMutableData+ext.h
//  WanLian
//
//  Created by 123456 on 2019/1/8.
//  Copyright © 2019 wanlian. All rights reserved.
//



NS_ASSUME_NONNULL_BEGIN

@interface NSMutableData (ext)
- (void)appendInt:(int)num;

- (void)removeAllData;

- (void)removeDataWithRange:(NSRange)range;
@end

NS_ASSUME_NONNULL_END
